package com.ztz.execl;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 
 * @author hewangtong
 * 
 */
public class ReadExcel {
    // 总行数
    private int totalRows = 0;
    // 总条数
    private int totalCells = 0;
    // 错误信息接收器
    private String errorMsg;

    // 构造方法
    public ReadExcel() {
    }

    // 获取总行数
    public int getTotalRows() {
        return totalRows;
    }

    // 获取总列数
    public int getTotalCells() {
        return totalCells;
    }

    // 获取错误信息
    public String getErrorInfo() {
        return errorMsg;
    }

    /**
     * 读EXCEL文件，获取信息集合
     * 
     * @param
     * @return
     */
    public List<Map<String, Object>> getExcelInfo(MultipartFile mFile) {
        String fileName = mFile.getOriginalFilename();// 获取文件名
//        List<Map<String, Object>> userList = new LinkedList<Map<String, Object>>();
        try {
            if (!validateExcel(fileName)) {// 验证文件名是否合格
                return null;
            }
            boolean isExcel2003 = true;// 根据文件名判断文件是2003版本还是2007版本
            if (isExcel2007(fileName)) {
                isExcel2003 = false;
            }
            return createExcel(mFile.getInputStream(), isExcel2003);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 根据excel里面的内容读取客户信息
     * 
     * @param is      输入流
     * @param isExcel2003   excel是2003还是2007版本
     * @return
     * @throws IOException
     */
    public List<Map<String, Object>> createExcel(InputStream is, boolean isExcel2003) {
        try {
            Workbook wb = null;
            if (isExcel2003) {// 当excel是2003时,创建excel2003
                wb = new XSSFWorkbook(is);
              //  wb = new HSSFWorkbook(is);
            } else {// 当excel是2007时,创建excel2007
                wb = new XSSFWorkbook(is);
            }
            return readExcelValue(wb);// 读取Excel里面客户的信息
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 读取Excel里面客户的信息
     * 
     * @param wb
     * @return
     */
    private List<Map<String, Object>> readExcelValue(Workbook wb) {
        // 得到第一个shell
        Sheet sheet = wb.getSheetAt(0);
        // 得到Excel的行数
        this.totalRows = sheet.getPhysicalNumberOfRows();
        // 得到Excel的列数(前提是有行数)
        if (totalRows > 1 && sheet.getRow(0) != null) {
            this.totalCells = sheet.getRow(0).getPhysicalNumberOfCells();
        }
        List<Map<String, Object>> userList = new ArrayList<Map<String, Object>>();
        // 循环Excel行数
        for (int r = 1; r < totalRows; r++) {
            Row row = sheet.getRow(r);
            if (row == null) {
                continue;
            }
            // 循环Excel的列

            Map<String, Object> map = new HashMap<String, Object>();

           // String[] BZ = {"entrustment_date", "detection_date", "drawing_No", "weld_No", "mk", "material_type", "pipe_size", "welder_No", "welding_method", "welding_type", "cwp", "contractor", "request_No", "entrustment_source", "ratio", "report_No", "change_No", "defect_location", "exam_result", "daily_number", "report_submission", "test_method", "remark",};

         //   for (int c = 0; c < this.totalRows; c++) {
               // Cell cell = row.getCell(c);
                int index = 0;  //列数
               // if (null != cell) {
                    //取检测方式是哪种
                    String sj=row.getCell(18).toString().toUpperCase();
                    String sb=row.getCell(17).toString().toUpperCase();
                    String sq=row.getCell(16).toString().toUpperCase();
                    String sl=row.getCell(15).toString().toUpperCase();
                    //wsz  修改 这块写的不对  如果

                    common.ArrayList arrayList=new common.ArrayList();
                    String[] BZ=null;
                    if(sj.equals("RT")||sb.equals("RT")||sq.equals("RT")||sl.equals("RT")){
                        BZ=arrayList.arrayRT();
                    }else if(sj.equals("MT")||sb.equals("MT")||sq.equals("MT")||sl.equals("MT")||sj.equals("PT")||sb.equals("PT")||sq.equals("PT")||sl.equals("PT")){
                        BZ=arrayList.arrayMTPT();
                    }else if(sj.equals("HT")||sb.equals("HT")||sq.equals("HT")||sl.equals("HT")){
                        BZ=arrayList.arrayHT();
                    }else if(sj.equals("PMI")||sb.equals("PMI")||sq.equals("PMI")||sl.equals("PMI")){
                        BZ=arrayList.arrayPMI();
                    }
                    if(BZ.length>0){
                    for (int i = 0; i < BZ.length; i++) {
                        // 如果是纯数字,比如你写的是25,cell.getNumericCellValue()获得是25.0,通过截取字符串去掉.0获得25
                       // if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                           // String name = String.valueOf(cell.getNumericCellValue());
                           // System.out.println("ssss====="+row.getCell(index++).toString());
                           // String name = row.getCell(index++).toString();;
                           // map.put(BZ[i], name.substring(0, name.length() - 2 > 0 ? name.length() - 2 : 1));//
                       // } else {
                           // System.out.println("www====="+row.getCell(index++).toString());
                            map.put(BZ[i],row.getCell(index++).toString());
                           // map.put(BZ[i], cell.getStringCellValue());//
                       // }
                    }
                    }
              //  }
           // }
            // 添加到list
            userList.add(map);
        }
        return userList;
    }

    /**
     * 验证EXCEL文件
     * 
     * @param filePath
     * @return
     */
    public boolean validateExcel(String filePath) {
        if (filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath))) {
            errorMsg = "文件名不是excel格式";
            return false;
        }
        return true;
    }

    // @描述：是否是2003的excel，返回true是2003
    public static boolean isExcel2003(String filePath) {
        return filePath.matches("^.+\\.(?i)(xls)$");
    }

    // @描述：是否是2007的excel，返回true是2007
    public static boolean isExcel2007(String filePath) {
        return filePath.matches("^.+\\.(?i)(xlsx)$");
    }
    
}